var option = {
  title: {
    //   text: "Stacked Line",
  },
  tooltip: {
    trigger: "axis",
  },
  //图例
  legend: {
    bottom: "0",
    data: ["Email", "Union Ads", "Video Ads", "Direct", "Search Engine"],
  },
  grid: {
    top: "5%",
    left: "3%",
    right: "4%",
    bottom: "10%",
    containLabel: true,
  },
  toolbox: {
    feature: {
      // saveAsImage: {},
    },
  },
  xAxis: {
    type: "category",
    boundaryGap: false, //设置拐点在轴线上
    data: ["6月", "7月", "8月", "9月", "10月", "11月", "12月"],
  },
  yAxis: {
    type: "value",
    splitLine: {
      show: true,
      lineStyle: {
        type: "dashed",
      },
    },
  },
  series: [
    {
      name: "Email",
      type: "line",
      symbol: "circle",
      symbolSize: 1, //设定实心点的大小
      stack: "Total",

      itemStyle: {
        normal: {
          color: "red", //图例拐点颜色
          lineStyle: {
            color: "red", //折线的颜色
          },
        },
        emphasis: {
          borderColor: "red", //  拐点边框颜色
          borderWidth: 5, //  拐点边框宽度
          // shadowColor: "red", //  阴影颜色
          // shadowBlur: 10, //  阴影渐变范围控制
          // color: "red", //hover拐点颜色定义
        },
      },
      color: ["red", "green"],
      data: [120, 132, 101, 134, 90, 230, 210],
    },
  ],
}

// 引入 echarts 核心模块，核心模块提供了 echarts 使用必须要的接口。
import * as echarts from "echarts/core";
 
/** 引入柱状图and折线图图表，图表后缀都为 Chart  */
import { BarChart, LineChart } from "echarts/charts";
 
// 引入提示框，标题，直角坐标系，数据集，内置数据转换器组件，组件后缀都为 Component
import {
  TitleComponent,
  TooltipComponent,
  GridComponent,
  DatasetComponent,
  TransformComponent,
} from "echarts/components";
 
// 标签自动布局，全局过渡动画等特性
import { LabelLayout, UniversalTransition } from "echarts/features";
 
// 引入 Canvas 渲染器，注意引入 CanvasRenderer 或者 SVGRenderer 是必须的一步
import { CanvasRenderer } from "echarts/renderers";
 
// 注册必须的组件
echarts.use([
  TitleComponent,
  TooltipComponent,
  GridComponent,
  DatasetComponent,
  TransformComponent,
  BarChart,
  LabelLayout,
  UniversalTransition,
  CanvasRenderer,
  LineChart,
]);
 
// 导出
export default echarts;
